DDoS attack against Spamhaus was reportedly the largest in history
The attack caused problems for the global Internet
http://www.itworld.com/internet/349995/ddos-attack-against-spamhaus-was-reportedly-largest-history
March 27, 2013, 4:04 PM
By Lucian Constantin, IDG News Service
A distributed denial-of-service (DDoS) attack of unprecedented scale that targeted an international spam-fighting organization last week ended up causing problems for Internet users around the world, experts say.
The DDoS attack started more than a week ago and targeted the Spamhaus Project, an organization based in Geneva, Switzerland, and London that maintains databases of IP (Internet Protocol) addresses, domain names and other Internet resources involved in spam, malware and other abusive online activities.
Spamhaus publishes the data in the form of block lists that are used by Internet and email service providers, corporations, universities and governments around the world to filter Internet traffic on their networks and servers.
(...)
The attackers ultimately targeted Tier 1 providers, which operate the networks at the core of the Internet, and Internet Exchanges (IX), critical nodes located around the world that connect large networks like those of Google, Facebook, Yahoo and pretty much every major Internet company.
(...)